ECS, support for notification of available information types

[nonrtric.git] / enrichment-coordinator-service / src / main / java / org / oransc / enrichment / controllers / r1consumer / ConsumerCallbacks.java

diff --git a/enrichment-coordinator-service/src/main/java/org/oransc/enrichment/controllers/r1consumer/ConsumerCallbacks.java b/enrichment-coordinator-service/src/main/java/org/oransc/enrichment/controllers/r1consumer/ConsumerCallbacks.java
new file mode 100644 (file)
index 0000000..97a829c
--- /dev/null
+++ b/enrichment-coordinator-service/src/main/java/org/oransc/enrichment/controllers/r1consumer/ConsumerCallbacks.java
@@ -0,0 +1,81 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2021 Nordix Foundation
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================LICENSE_END===================================
+ */
+
+package org.oransc.enrichment.controllers.r1consumer;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+import java.lang.invoke.MethodHandles;
+
+import org.oransc.enrichment.clients.AsyncRestClient;
+import org.oransc.enrichment.clients.AsyncRestClientFactory;
+import org.oransc.enrichment.configuration.ApplicationConfig;
+import org.oransc.enrichment.repository.InfoType;
+import org.oransc.enrichment.repository.InfoTypeSubscriptions;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+/**
+ * Callbacks to the Consumer. Notifies consumer according to the API (which this
+ * class adapts to)
+ */
+@SuppressWarnings("java:S3457") // No need to call "toString()" method as formatting and string ..
+@Component
+public class ConsumerCallbacks implements InfoTypeSubscriptions.Callbacks {
+
+    private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+    private static Gson gson = new GsonBuilder().create();
+
+    private final AsyncRestClient restClient;
+
+    public ConsumerCallbacks(@Autowired ApplicationConfig config) {
+        AsyncRestClientFactory restClientFactory = new AsyncRestClientFactory(config.getWebClientConfig());
+        this.restClient = restClientFactory.createRestClientNoHttpProxy("");
+    }
+
+    @Override
+    public void notifyTypeRegistered(InfoType type, InfoTypeSubscriptions.SubscriptionInfo subscriptionInfo) {
+        ConsumerTypeRegistrationInfo info = new ConsumerTypeRegistrationInfo(type.getJobDataSchema(),
+            ConsumerTypeRegistrationInfo.ConsumerTypeStatusValues.REGISTERED, type.getId());
+        String body = gson.toJson(info);
+
+        post(subscriptionInfo.getCallbackUrl(), body);
+
+    }
+
+    @Override
+    public void notifyTypeRemoved(InfoType type, InfoTypeSubscriptions.SubscriptionInfo subscriptionInfo) {
+        ConsumerTypeRegistrationInfo info = new ConsumerTypeRegistrationInfo(type.getJobDataSchema(),
+            ConsumerTypeRegistrationInfo.ConsumerTypeStatusValues.DEREGISTERED, type.getId());
+        String body = gson.toJson(info);
+        post(subscriptionInfo.getCallbackUrl(), body);
+
+    }
+
+    private void post(String url, String body) {
+        restClient.post(url, body) //
+            .subscribe(response -> logger.debug("Post OK {}", url), //
+                throwable -> logger.warn("Post failed for consumer callback {} {}", url, body), null);
+    }
+
+}